| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| randomized controlled trial影响因子 | 1.26 | 0.5 | 1130 | 80 | 39 |
| randomized | 1.92 | 0.5 | 5179 | 85 | 10 |
| controlled | 0.17 | 1 | 1402 | 93 | 10 |
| trial影响因子 | 0.66 | 0.6 | 9112 | 71 | 17 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| randomized controlled trial影响因子 | 0.21 | 0.2 | 2233 | 32 |
